Asterisk vs Zadarma
AsteriskBusiness VoIP
Free / Open SourcePublished price
ZadarmaBusiness VoIP
Asterisk Business VoIP Open-source communication framework powering IP PBX systems, VoIP gateways, and conference servers used by millions worldwide. | Zadarma Business VoIP A new generation of VoIP for your business | |
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| Overview | ||
| Category | Business VoIP | Business VoIP |
| What it is | Open-source communication framework powering IP PBX systems, VoIP gateways, and conference servers used by millions worldwide. | Cloud PBX and VoIP platform for business calls, virtual numbers, and contact center. |
| Pricing | ||
| Published price | Free / Open Source Asterisk is free, open-source software released under the GPLv2. There is no paid tier or license fee for the framework itself. Commercial support, hardware, and hosted PBX produc… | Not published |
| Pricing model | Not available | Tiered plans |
| Free options | Free plan · No free trial | Free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 1999 | 2006 |
| Team size | 51-200 employees | 51-200 employees |
| Headquarters | Williamsville, NY | Limassol, Cyprus |